The Arista QSFP-CWDM4-100G-I Compatible LINK-PP module is a premium 100G QSFP28 CWDM4 industrial optical transceiver designed for harsh environments. Utilizing an advanced DFB laser and highly sensitive PIN detector, this robust fiber optic module delivers exceptional high-speed networking performance. Operating reliably across extreme temperatures from -40°C to +85°C, it ensures stable and seamless broadband connectivity for demanding enterprise data center deployments.
Arista Part Number
QSFP-CWDM4-100G-I
Vendor Name
LINK-PP
Form Factor
QSFP28
Max Data Rate
103.12Gbps
Wavelength
1271nm, 1291nm, 1311nm, 1331nm
Max Cable Distance
2km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
DDM/DOM
Supported
Operating Temperature Range
-40°C to +85°C
Warranty
5 Years
Protocols
QSFP28 MSA, CWDM4 MSA, IEEE802.3bm, SFF-8636
Key Features of Arista QSFP-CWDM4-100G-I Compatible LINK-PP 100G QSFP28
This industrial-grade 100G QSFP28 CWDM4 transceiver offers outstanding high-bandwidth capabilities tailored for rugged infrastructure. Featuring a compact form factor, low power consumption, and integrated digital diagnostics monitoring, the QSFP-CWDM4-100G-I module guarantees superior optical networking efficiency and resilient data transmission across extreme conditions.
Built for modern high-speed networks, this 100G QSFP28 optical module provides unparalleled data switching reliability. The robust industrial fiber transceiver ensures seamless network hardware integration, delivering high-density routing solutions for complex telecommunications and outdoor connectivity environments.
QSFP-CWDM4-100G-I: 100G Connectivity for High Performance Computing
Engineered specifically for high performance computing environments, this advanced 100G Ethernet transceiver facilitates ultra-low latency data transfer. It seamlessly empowers supercomputing clusters and demanding data center interconnects with consistently fast, reliable, and high-throughput optical fiber communication.
QSFP-CWDM4-100G-I Module with CWDM4 Technology for Fiber Efficiency
Leveraging Coarse Wavelength Division Multiplexing, this 100G CWDM4 module dramatically improves fiber utilization. By multiplexing four distinct optical channels onto a single fiber pair, it optimizes network infrastructure costs while maintaining superior bandwidth and transmission integrity.
QSFP-CWDM4-100G-I Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength
Operating precisely across 1271nm, 1291nm, 1311nm, and 1331nm wavelengths, this optical transceiver utilizes a stable DFB laser array. This targeted wavelength configuration prevents signal interference, ensuring crystal-clear optical data transmission over single-mode fiber optic architectures.
Designed for medium-reach optical networks, this QSFP28 transceiver comfortably supports up to 2km transmission distances over single-mode fiber. It offers an ideal, cost-effective networking solution for campus backbones, metropolitan area networks, and expansive data center spine-leaf topologies.
QSFP-CWDM4-100G-I Module with Duplex LC Interface
Featuring a standard duplex LC interface, this 100G optical module allows for secure, highly stable fiber optic patching. The durable LC connector design ensures minimal insertion loss and widespread compatibility with existing single-mode optical cabling infrastructure.
QSFP-CWDM4-100G-I Module with DOM for Real-Time Monitoring
Integrated with advanced Digital Optical Monitoring (DOM) technology, this transceiver enables precise real-time tracking of critical operating parameters. Network administrators can easily monitor optical power, voltage, and temperature to proactively ensure maximum network uptime and reliability.
Demonstrating global compliance, this premium industrial optical module achieves strict international regulatory standards, ensuring unparalleled safety, electromagnetic compatibility, and environmentally responsible manufacturing for worldwide deployment.
Every single QSFP28 CWDM4 transceiver undergoes a comprehensive quality testing program. Our dedicated engineers utilize state-of-the-art laboratory equipment to validate optimal optical performance and uncompromising structural durability.
QSFP-CWDM4-100G-I Quality Certifications
This reliable 100G optical module proudly holds CE, FCC, UKCA, UL, and REACH certifications. These authoritative endorsements guarantee superior electrical safety, environmental protection, and zero electromagnetic interference.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
QSFP-CWDM4-100G-I Certified for Reliable Host-Device Compatibility
Extensively tested across major networking equipment, this certified 100G transceiver ensures flawless plug-and-play host-device compatibility. It seamlessly interfaces with leading industrial enterprise switches and high-speed core routers.
We implement an exhaustive array of precise hardware evaluations to guarantee that every QSFP28 module delivers consistently flawless, high-speed optical networking performance.
Optical Spectrum Test
Accurately verifies laser wavelength stability and signal integrity across all optical communication channels.
Eye Pattern Test
Thoroughly assesses signal quality and transmission clarity to guarantee minimal jitter and distortion.
Bit Error Rate Test
Confirms flawless high-speed data transmission by ensuring absolutely zero dropped packets during operation.
Temperature Test
Validates robust module performance under extreme industrial conditions from -40°C to +85°C.
Product Shipping for Arista QSFP-CWDM4-100G-I Compatible LINK-PP 100G QSFP28
Our streamlined supply chain ensures this premium industrial 100G transceiver is packaged securely and delivered rapidly to fulfill your critical network deployment schedules.
Anti-Static Protective Packaging
Premium anti-static bags shield the sensitive optical components from electrical damage.
Shock-Resistant Transport Protection
Customized impact-absorbing materials prevent any physical shock damage during transit.
Fast Order Processing and Dispatch
Expedited warehouse handling guarantees your optical transceivers are dispatched without delay.
Global Logistics and International Delivery
Trusted international shipping partners provide reliable and fully trackable worldwide delivery.
Easily plug this industrial 100G QSFP28 module directly into your compatible network switch port. Connect the single-mode fiber optic patch cable to the duplex LC interface to instantly enable high-speed, long-distance broadband communication across your facility.
QSFP-CWDM4-100G-I Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable QSFP-CWDM4-100G-I modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
A:
Absolutely. We provide tiered volume discounts starting at 10 units, with deeper pricing brackets for 50, 100, and 500+ unit deployments. You can request a custom quote directly through the product page or contact our enterprise sales team to receive a tailored commercial invoice with project-specific tier pricing. By
admin on
2026-07-20
A:
Yes. We offer customized EEPROM vendor coding for all major OEMs including Cisco, Arista, Juniper, Dell, NVIDIA/Mellanox, and Edgecore. When placing your order or requesting a quote, specify your target switch models and OS versions, and each unit will be pre-coded and tested for seamless native recognition and DDM support with no CLI compatibility warnings. By
admin on
2025-09-22
A:
Yes. The module is fully compliant with the CWDM4 MSA technical specification, IEEE 802.3bm 100GBASE-CWDM4, SFF-8665, and SFF-8636 management interface standards. It is also fully RoHS compliant, CE/FCC certified, and meets Class 1 laser safety requirements. By
admin on
2025-09-10
A:
This module requires standard Duplex LC Single-Mode Fiber (SMF/OS2, 9/125μm). It uses two fibers (one TX, one RX) carrying four CWDM wavelengths (1271, 1291, 1311, 1331nm) via internal optical multiplexing, eliminating the need for bulky MTP/MPO ribbon cables. By
admin on
2025-08-23
Please write comments with more than three
character.
494560
431015
S***z
Norway
Verified
Purchase
5 .0
2025-07-17
Perfect drop-in replacement for Cisco QSFP-100G-CWDM4-S modules on Nexus cores. Recognized natively, DDM voltage and temperature diagnostics populated instantly, and optical power budget across our 1.7km run was well above margin
Please write comments with more than three
character.
494560
431010
D***z
France
Verified
Purchase
5 .0
2025-04-17
Deployed twelve LQ-CW100-FR4I units across our cell tower backhaul nodes. Survives brutal summer heat inside NEMA boxes while DOM reporting confirms internal laser temp and optical RX power stay within ideal specs
Please write comments with more than three
character.
494560
431017
S***z
Italy
Verified
Purchase
5 .0
2025-03-16
Built a 2km campus interconnect bridging our datacenter to the research lab over existing OS2 fiber. CWDM4 four-wavelength design handled full line-rate 100G traffic without dropping a frame during stress testing.
Australia · English · AUD
